16221834348 has 12 divisors (see below), whose sum is σ = 37850946840. Its totient is φ = 5407278112.

The previous prime is 16221834347. The next prime is 16221834361. The reversal of 16221834348 is 84343812261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16221834348² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16221834347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675909753 + ... + 675909776.

It is an arithmetic number, because the mean of its divisors is an integer number (3154245570).

Almost surely, 2^16221834348 is an apocalyptic number.

It is an amenable number.

16221834348 is an abundant number, since it is smaller than the sum of its proper divisors (21629112492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16221834348 is a wasteful number, since it uses less digits than its factorization.

16221834348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351819536 (or 1351819534 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The spelling of 16221834348 in words is "sixteen billion, two hundred twenty-one million, eight hundred thirty-four thousand, three hundred forty-eight".